Home / 13,392.07-20,074.16-4,500.80

Finding the Fourth Proportional to 13,392.07, 20,074.16 and 4,500.80

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Solution

The fourth proportional to 13,392.07, 20,074.16 and 4,500.80 is: 6,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.07 : 20,074.16 = 4,500.80 : x
  2. Step 2: Convert to fraction form
    13,392.07/20,074.16 = 4,500.80/x
  3. Step 3: Cross multiply
    13,392.07x = 20,074.16 × 4,500.80
  4. Step 4: Simplify right side
    13,392.07x = 90,349,779.33
  5. Step 5: Solve for x
    x = 90,349,779.33/13,392.07
  6. Step 6: Final answer
    x = 6,746.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.